How to move a black hole without excision: gauge conditions for the numerical evolution of a moving puncture

Details How to move a black hole without excision: gauge conditions for the numerical evolution of a moving puncture How to move a black hole without excision: gauge conditions for the numerical evolution of a moving puncture

2006-05-05

arxiv.org/abs/gr-qc/0605030v2

Phys.Rev.D73:124011,2006

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

8 pages, 13 figures. Edited slightly for clarity as requested by the referee and editor. Also corrected errors due to a mispla

Scientific paper

10.1103/PhysRevD.73.124011

Recent demonstrations of unexcised black holes traversing across computational grids represent a significant advance in numerical relativity. Stable and accurate simulations of multiple orbits, and their radiated waves, result. This capability is critically undergirded by a careful choice of gauge. Here we present analytic considerations which suggest certain gauge choices, and numerically demonstrate their efficacy in evolving a single moving puncture black hole.

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